html,body{
	-moz-user-select: none;
	-khtml-user-select: none;
	user-select: none;
	box-sizing: border-box;
	font-family: "微软雅黑"；
}
*{
	box-sizing: border-box;
}
.btn{
	display: inline-block;
	line-height: 1;
	white-space: nowrap;
	cursor: pointer;
	background: #fff;
	border: 1px solid #dcdfe6;
	color: #606266;
	-webkit-appearance: none;
	text-align: center;
	box-sizing: border-box;
	outline: none;
	margin: 0;
	transition: .1s;
	font-weight: 500;
	-moz-user-select: none;
	-webkit-user-select: none;
	-ms-user-select: none;
	padding: 12px 23px;
	font-size: 14px;
	border-radius: 4px;
	text-decoration: none;
}
.layui-layer{
    top:50% !important;
    margin-top: -240px;
}
.btn:hover{
	text-decoration: none;
}
a:hover{text-decoration: none}
.warp{
	width: 1000px;
	margin: auto;
}

header{width: 100%;height: 158px;background:url(/vlab_files/static/img/head_bg.png) no-repeat center;}
header .warp{width: 1000px;margin: auto;}
.head{width:955px;height:108px;background:url(/vlab_files/static/img/logo-bg.png) center no-repeat;}
nav{width:1000px;height:50px;}
.nav li{float:left;position: relative;}
.nav{width:1000px;}
.nav li a{    
    display: block;
    padding: 17px 28px;
    color: #fff;
    font-family: "微软雅黑";
    font-size: 12px;
    font-weight: bold;
    position: relative;
}
.nav li+li a::before{
    content: '';
    position: absolute;
    left: 0px;
    top: 10px;
    width: 2px;
    height: 35px;
    background: #50b2c7;
}
.nav li a:hover{
    background: #08768e;
    color:#fff;
}
.nav li a:hover::before{
    display: none;
}
.videoTab{
    margin-bottom: 10px;
} 
.videoType {
    background: #fff;
    border-bottom: 0;
    float: left;
    height: 32px;
    line-height: 32px;
    text-align: center;
    cursor: pointer;
    color: #333;
    padding: 0 10px;
    margin: 0 5px 0 0;
    font-size: 14px;
}
.videoType.on{
    background: #4976e8;
    color: #fff;
}
.contentA{
    padding: 40px 0;
    height: 387px;
    background: url(/vlab_files/static/img/banner.jpg) no-repeat center;
    padding-top: 20px;
}
.contentA .left{
    float: left;
    width:492px;
    height: 298px;
}
.contentA .right{
    float:right;
    width: 508px;
    height: 298px;
    border: 1px solid #07748c;
    background: #fff;
    padding: 0 30px;
}
.contentA .right h1{
    padding: 40px 0 28px 0;
    font-size: 24px;
    color:#505050;
}
.contentA .right p,
.contentA .right p span{
    color: #393939;
    font-size: 12px;
}
.contentA .right p span+span{
    margin-left: 20px;
}
.contentA .right p{
    margin-bottom: 10px;
}
.contentA .right p.des{
    line-height: 1.5;
}
.contentA .right .btn-group{
    margin-top: 25px;
}
.contentA .right .btn-group .btn{
    background: #06b3d8;
    border:2px solid #d2d3d7;
    font-size: 14px;
    color: #ffffff;
    font-weight: bold;
}
.contentA .right .btn-group .btn:hover{
    background: #0b7a93;
}

.contentB{
    padding: 40px 0;
    background: #e3e3e3;
}
.contentB .tit{
    width: 257px;
    height: 48px;
    background: url(/vlab_files/static/img/b-tit.png) no-repeat center;
    margin: 0 auto 20px;
}
.contentB .list .list-item{
    float: left;
    width: 12.5%;
}
.contentB .list .list-item i{
    display: block;
    width: 79px;
    height: 79px;
    margin: auto;
    background: url(/vlab_files/static/img/b_icon1_a.png) no-repeat center 0;
    margin-bottom: 15px;
}
.contentB .list .list-item1 i{background: url(/vlab_files/static/img/b_icon1_a.png) no-repeat center 0;}
.contentB .list .list-item2 i{background: url(/vlab_files/static/img/b_icon2_a.png) no-repeat center 0;}
.contentB .list .list-item3 i{background: url(/vlab_files/static/img/b_icon3_a.png) no-repeat center 0;}
.contentB .list .list-item4 i{background: url(/vlab_files/static/img/b_icon4_a.png) no-repeat center 0;}
.contentB .list .list-item5 i{background: url(/vlab_files/static/img/b_icon5_a.png) no-repeat center 0;}
.contentB .list .list-item6 i{background: url(/vlab_files/static/img/b_icon6_a.png) no-repeat center 0;}
.contentB .list .list-item7 i{background: url(/vlab_files/static/img/b_icon7_a.png) no-repeat center 0;}
.contentB .list .list-item8 i{background: url(/vlab_files/static/img/b_icon8_a.png) no-repeat center 0;}
.contentB .list .list-item p{
    text-align: center;
    font-size: 13px;
    color:#323335;
}
.contentB .list .list-item:hover i{
    background-position-y: -80px;
}
.contentB .list .list-item:hover p{
    color:#047188;
}

.contentC{
    padding: 30px 0;
}
.contentC .tit{
    width: 257px;
    height: 48px;
    background: url(/vlab_files/static/img/c-tit.png) no-repeat center;
    margin: 0 auto 20px;
}
.contentC .echarts{
    float: left;
    width:687px;
    height:260px;
}
.amount{
    margin-left: 40px;
    padding-top: 64px;
}
.amount .all{
    padding-top: 50px;
    text-align: center;
}
.amount .all a{
    font-size: 20px;
    color:#fff;
    font-weight: bold;
}
.amount .browsing{
    float: left;
    width: 103px;
    height: 133px;
    background: url(/vlab_files/static/img/brower.png) no-repeat center;
    margin-right: 30px;
}
.amount .usage{
    float: left;
    width: 103px;
    height: 133px;
    background: url(/vlab_files/static/img/user.png) no-repeat center;
}

.contentD{
    padding: 30px 0;
    background: #e3e3e3;
}
.contentD .tit{
    width: 257px;
    height: 48px;
    background: url(/vlab_files/static/img/d-tit.png) no-repeat center;
    margin: 0 auto 20px;
}

.layB{width:1000px;padding:0px 15px;}
.layB .tbC{ width:1000px; padding:10px 12px; position:relative;    }
.layB .prev,.layB .next{position: absolute;width: 61px;height: 61px;background: url(/vlab_files/static/img/arr-prev.png) center 0;left: -70px;top: 50%;margin-top: -30px;}
.layB .next{background: url(/vlab_files/static/img/arr-next.png) center 0;right: -90px;left: inherit;}
.layB .prev:hover{ background-position-y: -61px}
.layB .next:hover{background-position-y: -61px }
.layB .slide{ width:1000px; overflow:hidden;    }
.layB ul{ overflow:hidden; zoom:1; }
.layB li{ width:500px; display:inline; float:left; margin-bottom: 10px;}
.layB li .imgBox{ display:block; width: 116px;height: 116px;float: left;margin: 10px 12px;border: 2px solid #13a6c6;overflow: hidden;border-radius: 50%;}
.layB li .imgBox img{width: 100%;height: 100%;object-fit: cover;}
.layB li .center{width: 359px;height: 139px;background: #ddebee;border: 2px solid #13a6c6;float: right;border-radius: 4px;padding: 30px;}
.layB li .center h1{color:#06728a;font-size: 18px;margin-bottom: 20px;}
.layB li .center p{color:#515050;font-size: 14px;line-height: 1.6}



.contentE{
    padding: 40px 0;
}
.contentE .tit{
    width: 257px;
    height: 48px;
    background: url(/vlab_files/static/img/e-tit.png) no-repeat center;
    margin: 0 auto 20px;
}
.contentE .list .list-item{
    float: left;
    width: 305px;
    height: 63px;
    line-height: 63px;
    text-align: center;
    background: url('/vlab_files/static/img/e-list-bg.png') no-repeat center;
    margin-bottom: 20px;
    color:#ffffff;
    font-size: 14px;
}
.contentE .list .list-item+.list-item{
    margin-left: 40px;
}
.contentE .list .list-item:nth-child(4n){
    margin-left: 0;
}
.contentE .list .list-item:hover{
    background: url('/vlab_files/static/img/e-list-bg-a.png') no-repeat center;
}
.contentE .list .list-item i{
    display: inline-block;
    vertical-align: middle;
    width: 32px;
    height: 32px;
    background: url(/vlab_files/static/img/e-icon-1.png) no-repeat center;
}
.contentE .list .list-item1 i{background: url(/vlab_files/static/img/e-icon-1.png) no-repeat center;}
.contentE .list .list-item2 i{background: url(/vlab_files/static/img/e-icon-2.png) no-repeat center;}
.contentE .list .list-item3 i{background: url(/vlab_files/static/img/e-icon-3.png) no-repeat center;}
.contentE .list .list-item4 i{background: url(/vlab_files/static/img/e-icon-4.png) no-repeat center;}
.contentE .list .list-item5 i{background: url(/vlab_files/static/img/e-icon-5.png) no-repeat center;}
.contentE .list .list-item6 i{background: url(/vlab_files/static/img/e-icon-6.png) no-repeat center;}

.contentF{
    padding: 40px 0;
    background: #e3e3e3;
}
.contentF .item{
    float: left;
    width: 33.3%;
    position: relative;
    padding-left: 90px;
    height: 136px;
}
.contentF .item + .item::before{
    content: '';
    position: absolute;
    left: 0;
    top: 30px;
    width: 1px;
    height: 102px;
    background: #c7c7c7;
}
.contentF .item1{background: url(/vlab_files/static/img/f-icon1.png) no-repeat 20px 30px;}
.contentF .item2{background: url(/vlab_files/static/img/f-icon2.png) no-repeat 20px 30px;}
.contentF .item3{background: url(/vlab_files/static/img/f-icon3.png) no-repeat 20px 30px;}

.contentF .item h1{
    color:#185f7f;
    font-size: 24px;
    font-weight: normal;
    margin-bottom: 15px;
}
.contentF .item a{
    display: block;
    font-size: 14px;
    color:#4c4b4b;
    margin-bottom: 15px;
}
.contentF .item3 a{
    margin-bottom: 5px;
}
footer{
    background:#06728a;
    padding: 15px 0 20px 0;
    text-align: center;
    border-top: 7px solid #004656;
    line-height: 30px;
}
footer p{
    color:#ffffff;
    text-align: center;
    font-size: 12px;
}

/*二级页面*/
.contentCatetory{
	width: 1000px;
	position:relative;
	margin: 36px auto 66px;
}
.contentCatetory h2{
	height: 48px;
	line-height: 48px;
	font-size: 20px;
	border-bottom: 2px solid #d7d7d5;
	position: relative;
	margin-bottom: 20px;
}
.contentCatetory h2 span{
	position: absolute;
	left: 0;
	top: 0px;
	border-bottom: 2px solid #2FB7A1;
	color: #323335;
	font-weight: normal;
}
.contentCatetory .details{
	padding: 35px 30px 80px;
	background: #fff;
    box-shadow: 0 0 10px #ddd;
    min-height: 400px;
}
.contentCatetory .details h1{
	line-height: 40px;
	font-size:16px;
	margin:0;
	text-align:center;
}
.left-content {
	width:700px;
	float:left;
}

.left-content table{
	margin:0 auto;
}

.right-side{
	width:200px;
	margin-left:30px;
	float:left;
}
.contentCatetory .details h1{
	font-size: 16px;
	color: #333333;
	margin: 15px 0;
}
.contentCatetory .details p{
	line-height: 24px;
	color: #666;
	font-size: 12px;
	margin-bottom: 10px;
	text-indent: 2em;
}
.contentCatetory .details h2{
	line-height:20px
}

.aside {
	position:absolute;
	left:-100px;
	top: 70px;
	width:80px;	
	border-radius:4px;
	overflow: hidden;
	box-shadow: 0 0 5px #ddd;
}

.aside li{
	font-size:14px;
	line-height: 20px;
	border-bottom:3px solid #228575;
	text-align:center;
	background:#2fb7a1;
}

.aside li a{
	display:block;
	width: inherit;
	height: inherit;
	color:#fff;
	padding:10px;
}
.aside li a:hover {
	color:#3b7722;	
	background:#98d87d;
}
.aside li a.active{
	color:#3b7722;	
	background:#98d87d;
}

.contentCatetory .imgList{
	margin-top: 30px;
}
.contentCatetory .imgList li{
	width: 210px;
	box-shadow: 0 0 5px #ccc;
	margin-right: 53px;
	margin-bottom: 30px;
}
.contentCatetory .imgList li img{
	width: 210px;
	height: 172px;
	margin-bottom: 10px;
}
.contentCatetory .imgList li p{
	height: 24px;
	line-height: 24px;
	font-size: 12px;
	color: #999;
	margin-left: 10px;
	padding-right: 10px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.teacher-detail p{
	width:190px;
	float:left;
}
.contentCatetory .imgList li .first{
	font-size: 12px;
	color: #999;
}
.contentCatetory .imgList li .first b{
	font-size: 18px;
	color: #333;
}

 .teacher-detail a{
 	color: #999;
 	font-size: 12px;
	padding: 0 4px;
	
	border: 1px solid #2fb7a1;
	color: #2FB7A1;
	border-radius: 9px;
    height: 17px;
    line-height: 17px;
    margin: 5px;
}

.side-catalog {
    width: 230px;
    height: 390px;
    position: fixed;
    top:350px;
    font-size: 14px;
    font-family: "simsun";
    line-height: 19px;
}

.side-catalog .side-bar {
    position:absolute;
    top:0;
    width:0;
    min-height:50px;
    background-color:#eaeaea;
    border:1px solid #eaeaea;
    border-top:0;
    border-bottom:0;
    left:5px
}
.side-catalog .side-bar .circle.start, .side-catalog .side-bar .circle.end {
    position:absolute;
    left:-5px;
    width:10px;
    height:10px;
    background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) 0 -199px no-repeat;
    zoom:1;
    overflow:hidden
}
.side-catalog .side-bar .circle.start {
    top:0
}
.side-catalog .side-bar .circle.end {
    margin:0;
    bottom:0
}
.side-catalog .catalog-scroller {
    padding-top:15px;
    position:absolute;
    z-index:1;
    top:0;
    left:0;
    width:100%;
    overflow:hidden
}
.side-catalog .catalog-scroller .catalog-list {
    width:228px;
    height:auto;
    position:relative
}
.side-catalog .catalog-scroller .catalog-list .arrow {
    left:0;
    z-index:2;
    top:3px;
    position:absolute;
    height:13px;
    width:18px;
    cursor:pointer;
    background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) -271px -38px no-repeat
}
.side-catalog .catalog-scroller .catalog-list .catalog-title {
    position:relative;
    margin-bottom:7px;
    padding-left:20px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title .text {
    line-height:19px;
    display:block
}
.side-catalog .catalog-scroller .catalog-list .catalog-title .pointer {
    position:absolute;
    display:block;
    width:10px;
    height:10px;
    cursor:pointer;
    margin-top:4px;
    left:0;
    background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) 3px -222px no-repeat
}
.side-catalog .catalog-scroller .catalog-list .catalog-title .pointer:hover {
    background-position:3px -245px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title:hover .text {
    background:#f5f5f5;
    border-radius:2px;
    box-shadow:0 1px 0 #eaeaea
}
.side-catalog .catalog-scroller .catalog-list .catalog-title:hover .pointer {
    background-position:3px -245px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level1 .text {
    padding-left:10px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level1 .title-index {
    color:#999;
    font-weight:700;
    font-family:Arial;
    font-size:14px;
    padding-right:5px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level1 .title-link {
    color:#555;
    font-weight:700;
    text-decoration:none
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level2 .text {
    padding-left:22px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level2 .title-index {
    color:#999;
    font-family:Arail;
    font-size:14px;
    padding-right:5px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level2 .title-link {
    color:#666;
    text-decoration:none
}
.side-catalog.collapse {
    height:96px;
    overflow:hidden
}
.side-catalog.collapse .toggle-button {
    background-position:-104px 0
}
.side-catalog.collapse .toggle-button:hover {
    background-position:-154px 0
}
.side-catalog.collapse .side-bar {
    display:none
}
.side-catalog.collapse .catalog-scroller {
    display:none
}

.side-catalog .bottom-wrap {
    position:absolute;
    height:45px
}
.side-catalog .bottom-wrap .toggle-button, .side-catalog .bottom-wrap .gotop-button {
    display:block;
    width:45px;
    height:45px;
    cursor:pointer
}
.side-catalog .bottom-wrap .toggle-button {
    background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) no-repeat 0 0
}
.side-catalog .bottom-wrap .toggle-button:hover {
    background-position:-53px 0
}
.side-catalog .bottom-wrap .gotop-button {
    margin-top:6px;
    background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) no-repeat -1px -62px
}
.side-catalog .bottom-wrap .gotop-button:hover {
    background-position:-74px -62px
}





.line-up {
	display:none;
	width:275px;
	height:250px;
	padding-top:120px;
	background:url(/vlab_files/static/img/lineUp.png) center no-repeat;
}

.line-up p{
	color:#fff;
	text-align:center;
}
.line-num {
	height:130px;
	padding:0 20px;
}
.attempt {
	display:block;
	color: #6E7393 !important;
	text-align:center;
	margin-top:15px;
	font-size:14px;
}

.attempt:hover{
	color:#2fb7a1 !important;
	text-decoration: underline;
}
.waiting {
	display:block;
	width:160px;
	height:40px;
	background:#2fb7a1;
	line-height:40px;
	text-align:center;
	margin:0 auto;
	color:#fff !important;
	font-weight:700;
	border-radius:5px;
}

.link-error {
	display:none;
	width:275px;
	height:250px;
	padding-top:120px;
	background:url(/vlab_files/static/img/net-error.png) center no-repeat;
}

.articleLi {margin-top:5px;min-height:450px;position: relative;}
.articleLi ul {margin: 10px; min-height:400px;}
.articleLi ul li {height:35px;background: url(/vlab_files/static/img/b1.png) left center no-repeat;padding-left:15px;}
.articleLi ul li a {height:35px; line-height: 35px; font-size:14px;color:#666;text-decoration: none;cursor: pointer;}
.articleLi ul li a h3 {font-size: 14px;font-weight: normal;}
.articleLi ul li a:hover {color:#2d82e0;}

.page {text-align: center;margin-top: 20px;margin-bottom: 20px;font-size: 12px;color: #666666; }
.page a {border: 1px solid #ccc;color: #727272;padding:5px 10px;background: #f1f1f1;cursor: pointer;}
.page a:hover {color: #2d82e0;text-decoration: none;}
.contentCatetory table{
    margin: auto;
}